Displaying 1 result from an estimated 1 matches for "mask256".
Did you mean:
mask25
2004 May 21
1
Memory usage of R on Windows XP
I am running R 1.8.1 on windows xp. I have been using the 'apply' R
function to run a short function against a matrix of 19000 x 340 rows ...
yes it is a big matrix. every item in the matrix is a float that can have a
maximum value of 2^16 ~ 65k.
The function:
mask256 <- function(value) {
if (value < 256) {
result = 0
}
else {
result = 1
}
result
}
what happens is that the memory required for the session to run starts
ballooning. The matrix with a few other objects starts at about 160M, but
then quickly goes up t...